[Additional phonocardiographic symptom and the functional state of the heart during mitral valve prolapse in children].


A review of the clinical pattern and heart function in 50 children (aged 6 to 15 years) with mitral valve prolapse (MVP) demonstrated that MVP was mild or of medium severity and had a favourable course in most of the cases. Systolic extratone due to MVP can be manifested to the greatest degree within the low-frequency range of phonocardiograms. Morphometric… (More)


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